mirror of https://gitlab.com/qemu-project/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
613 lines
16 KiB
C
613 lines
16 KiB
C
/*
|
|
* Block replication tests
|
|
*
|
|
* Copyright (c) 2016 FUJITSU LIMITED
|
|
* Author: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or
|
|
* later. See the COPYING file in the top-level directory.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
|
|
#include "qapi/error.h"
|
|
#include "qapi/qmp/qdict.h"
|
|
#include "qemu/option.h"
|
|
#include "qemu/main-loop.h"
|
|
#include "block/replication.h"
|
|
#include "block/block_int.h"
|
|
#include "block/qdict.h"
|
|
#include "sysemu/block-backend.h"
|
|
|
|
#define IMG_SIZE (64 * 1024 * 1024)
|
|
|
|
/* primary */
|
|
#define P_ID "primary-id"
|
|
static char *p_local_disk;
|
|
|
|
/* secondary */
|
|
#define S_ID "secondary-id"
|
|
#define S_LOCAL_DISK_ID "secondary-local-disk-id"
|
|
static char *s_local_disk;
|
|
static char *s_active_disk;
|
|
static char *s_hidden_disk;
|
|
|
|
/* FIXME: steal from blockdev.c */
|
|
QemuOptsList qemu_drive_opts = {
|
|
.name = "drive",
|
|
.head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head),
|
|
.desc = {
|
|
{ /* end of list */ }
|
|
},
|
|
};
|
|
|
|
#define NOT_DONE 0x7fffffff
|
|
|
|
static void blk_rw_done(void *opaque, int ret)
|
|
{
|
|
*(int *)opaque = ret;
|
|
}
|
|
|
|
static void test_blk_read(BlockBackend *blk, long pattern,
|
|
int64_t pattern_offset, int64_t pattern_count,
|
|
int64_t offset, int64_t count,
|
|
bool expect_failed)
|
|
{
|
|
void *pattern_buf = NULL;
|
|
QEMUIOVector qiov;
|
|
void *cmp_buf = NULL;
|
|
int async_ret = NOT_DONE;
|
|
|
|
if (pattern) {
|
|
cmp_buf = g_malloc(pattern_count);
|
|
memset(cmp_buf, pattern, pattern_count);
|
|
}
|
|
|
|
pattern_buf = g_malloc(count);
|
|
if (pattern) {
|
|
memset(pattern_buf, pattern, count);
|
|
} else {
|
|
memset(pattern_buf, 0x00, count);
|
|
}
|
|
|
|
qemu_iovec_init(&qiov, 1);
|
|
qemu_iovec_add(&qiov, pattern_buf, count);
|
|
|
|
blk_aio_preadv(blk, offset, &qiov, 0, blk_rw_done, &async_ret);
|
|
while (async_ret == NOT_DONE) {
|
|
main_loop_wait(false);
|
|
}
|
|
|
|
if (expect_failed) {
|
|
g_assert(async_ret != 0);
|
|
} else {
|
|
g_assert(async_ret == 0);
|
|
if (pattern) {
|
|
g_assert(memcmp(pattern_buf + pattern_offset,
|
|
cmp_buf, pattern_count) <= 0);
|
|
}
|
|
}
|
|
|
|
g_free(pattern_buf);
|
|
g_free(cmp_buf);
|
|
qemu_iovec_destroy(&qiov);
|
|
}
|
|
|
|
static void test_blk_write(BlockBackend *blk, long pattern, int64_t offset,
|
|
int64_t count, bool expect_failed)
|
|
{
|
|
void *pattern_buf = NULL;
|
|
QEMUIOVector qiov;
|
|
int async_ret = NOT_DONE;
|
|
|
|
pattern_buf = g_malloc(count);
|
|
if (pattern) {
|
|
memset(pattern_buf, pattern, count);
|
|
} else {
|
|
memset(pattern_buf, 0x00, count);
|
|
}
|
|
|
|
qemu_iovec_init(&qiov, 1);
|
|
qemu_iovec_add(&qiov, pattern_buf, count);
|
|
|
|
blk_aio_pwritev(blk, offset, &qiov, 0, blk_rw_done, &async_ret);
|
|
while (async_ret == NOT_DONE) {
|
|
main_loop_wait(false);
|
|
}
|
|
|
|
if (expect_failed) {
|
|
g_assert(async_ret != 0);
|
|
} else {
|
|
g_assert(async_ret == 0);
|
|
}
|
|
|
|
g_free(pattern_buf);
|
|
qemu_iovec_destroy(&qiov);
|
|
}
|
|
|
|
/*
|
|
* Create a uniquely-named empty temporary file.
|
|
*/
|
|
static void make_temp(char *template)
|
|
{
|
|
int fd;
|
|
|
|
fd = mkstemp(template);
|
|
g_assert(fd >= 0);
|
|
close(fd);
|
|
}
|
|
|
|
static void prepare_imgs(void)
|
|
{
|
|
make_temp(p_local_disk);
|
|
make_temp(s_local_disk);
|
|
make_temp(s_active_disk);
|
|
make_temp(s_hidden_disk);
|
|
|
|
/* Primary */
|
|
bdrv_img_create(p_local_disk, "qcow2", NULL, NULL, NULL, IMG_SIZE,
|
|
BDRV_O_RDWR, true, &error_abort);
|
|
|
|
/* Secondary */
|
|
bdrv_img_create(s_local_disk, "qcow2", NULL, NULL, NULL, IMG_SIZE,
|
|
BDRV_O_RDWR, true, &error_abort);
|
|
bdrv_img_create(s_active_disk, "qcow2", NULL, NULL, NULL, IMG_SIZE,
|
|
BDRV_O_RDWR, true, &error_abort);
|
|
bdrv_img_create(s_hidden_disk, "qcow2", NULL, NULL, NULL, IMG_SIZE,
|
|
BDRV_O_RDWR, true, &error_abort);
|
|
}
|
|
|
|
static void cleanup_imgs(void)
|
|
{
|
|
/* Primary */
|
|
unlink(p_local_disk);
|
|
|
|
/* Secondary */
|
|
unlink(s_local_disk);
|
|
unlink(s_active_disk);
|
|
unlink(s_hidden_disk);
|
|
}
|
|
|
|
static BlockBackend *start_primary(void)
|
|
{
|
|
BlockBackend *blk;
|
|
QemuOpts *opts;
|
|
QDict *qdict;
|
|
char *cmdline;
|
|
|
|
cmdline = g_strdup_printf("driver=replication,mode=primary,node-name=xxx,"
|
|
"file.driver=qcow2,file.file.filename=%s,"
|
|
"file.file.locking=off"
|
|
, p_local_disk);
|
|
opts = qemu_opts_parse_noisily(&qemu_drive_opts, cmdline, false);
|
|
g_free(cmdline);
|
|
|
|
qdict = qemu_opts_to_qdict(opts, NULL);
|
|
qdict_set_default_str(qdict, BDRV_OPT_CACHE_DIRECT, "off");
|
|
qdict_set_default_str(qdict, BDRV_OPT_CACHE_NO_FLUSH, "off");
|
|
|
|
blk = blk_new_open(NULL, NULL, qdict, BDRV_O_RDWR, &error_abort);
|
|
g_assert(blk);
|
|
|
|
monitor_add_blk(blk, P_ID, &error_abort);
|
|
|
|
qemu_opts_del(opts);
|
|
|
|
return blk;
|
|
}
|
|
|
|
static void teardown_primary(void)
|
|
{
|
|
BlockBackend *blk;
|
|
|
|
/* remove P_ID */
|
|
blk = blk_by_name(P_ID);
|
|
assert(blk);
|
|
|
|
monitor_remove_blk(blk);
|
|
blk_unref(blk);
|
|
}
|
|
|
|
static void test_primary_read(void)
|
|
{
|
|
BlockBackend *blk;
|
|
|
|
blk = start_primary();
|
|
|
|
/* read from 0 to IMG_SIZE */
|
|
test_blk_read(blk, 0, 0, IMG_SIZE, 0, IMG_SIZE, true);
|
|
|
|
teardown_primary();
|
|
}
|
|
|
|
static void test_primary_write(void)
|
|
{
|
|
BlockBackend *blk;
|
|
|
|
blk = start_primary();
|
|
|
|
/* write from 0 to IMG_SIZE */
|
|
test_blk_write(blk, 0, 0, IMG_SIZE, true);
|
|
|
|
teardown_primary();
|
|
}
|
|
|
|
static void test_primary_start(void)
|
|
{
|
|
BlockBackend *blk = NULL;
|
|
|
|
blk = start_primary();
|
|
|
|
replication_start_all(REPLICATION_MODE_PRIMARY, &error_abort);
|
|
|
|
/* read from 0 to IMG_SIZE */
|
|
test_blk_read(blk, 0, 0, IMG_SIZE, 0, IMG_SIZE, true);
|
|
|
|
/* write 0x22 from 0 to IMG_SIZE */
|
|
test_blk_write(blk, 0x22, 0, IMG_SIZE, false);
|
|
|
|
teardown_primary();
|
|
}
|
|
|
|
static void test_primary_stop(void)
|
|
{
|
|
bool failover = true;
|
|
|
|
start_primary();
|
|
|
|
replication_start_all(REPLICATION_MODE_PRIMARY, &error_abort);
|
|
|
|
replication_stop_all(failover, &error_abort);
|
|
|
|
teardown_primary();
|
|
}
|
|
|
|
static void test_primary_do_checkpoint(void)
|
|
{
|
|
start_primary();
|
|
|
|
replication_start_all(REPLICATION_MODE_PRIMARY, &error_abort);
|
|
|
|
replication_do_checkpoint_all(&error_abort);
|
|
|
|
teardown_primary();
|
|
}
|
|
|
|
static void test_primary_get_error_all(void)
|
|
{
|
|
start_primary();
|
|
|
|
replication_start_all(REPLICATION_MODE_PRIMARY, &error_abort);
|
|
|
|
replication_get_error_all(&error_abort);
|
|
|
|
teardown_primary();
|
|
}
|
|
|
|
static BlockBackend *start_secondary(void)
|
|
{
|
|
QemuOpts *opts;
|
|
QDict *qdict;
|
|
BlockBackend *blk;
|
|
char *cmdline;
|
|
|
|
/* add s_local_disk and forge S_LOCAL_DISK_ID */
|
|
cmdline = g_strdup_printf("file.filename=%s,driver=qcow2,"
|
|
"file.locking=off",
|
|
s_local_disk);
|
|
opts = qemu_opts_parse_noisily(&qemu_drive_opts, cmdline, false);
|
|
g_free(cmdline);
|
|
|
|
qdict = qemu_opts_to_qdict(opts, NULL);
|
|
qdict_set_default_str(qdict, BDRV_OPT_CACHE_DIRECT, "off");
|
|
qdict_set_default_str(qdict, BDRV_OPT_CACHE_NO_FLUSH, "off");
|
|
|
|
blk = blk_new_open(NULL, NULL, qdict, BDRV_O_RDWR, &error_abort);
|
|
assert(blk);
|
|
monitor_add_blk(blk, S_LOCAL_DISK_ID, &error_abort);
|
|
|
|
/* format s_local_disk with pattern "0x11" */
|
|
test_blk_write(blk, 0x11, 0, IMG_SIZE, false);
|
|
|
|
qemu_opts_del(opts);
|
|
|
|
/* add S_(ACTIVE/HIDDEN)_DISK and forge S_ID */
|
|
cmdline = g_strdup_printf("driver=replication,mode=secondary,top-id=%s,"
|
|
"file.driver=qcow2,file.file.filename=%s,"
|
|
"file.file.locking=off,"
|
|
"file.backing.driver=qcow2,"
|
|
"file.backing.file.filename=%s,"
|
|
"file.backing.file.locking=off,"
|
|
"file.backing.backing=%s"
|
|
, S_ID, s_active_disk, s_hidden_disk
|
|
, S_LOCAL_DISK_ID);
|
|
opts = qemu_opts_parse_noisily(&qemu_drive_opts, cmdline, false);
|
|
g_free(cmdline);
|
|
|
|
qdict = qemu_opts_to_qdict(opts, NULL);
|
|
qdict_set_default_str(qdict, BDRV_OPT_CACHE_DIRECT, "off");
|
|
qdict_set_default_str(qdict, BDRV_OPT_CACHE_NO_FLUSH, "off");
|
|
|
|
blk = blk_new_open(NULL, NULL, qdict, BDRV_O_RDWR, &error_abort);
|
|
assert(blk);
|
|
monitor_add_blk(blk, S_ID, &error_abort);
|
|
|
|
qemu_opts_del(opts);
|
|
|
|
return blk;
|
|
}
|
|
|
|
static void teardown_secondary(void)
|
|
{
|
|
/* only need to destroy two BBs */
|
|
BlockBackend *blk;
|
|
|
|
/* remove S_LOCAL_DISK_ID */
|
|
blk = blk_by_name(S_LOCAL_DISK_ID);
|
|
assert(blk);
|
|
|
|
monitor_remove_blk(blk);
|
|
blk_unref(blk);
|
|
|
|
/* remove S_ID */
|
|
blk = blk_by_name(S_ID);
|
|
assert(blk);
|
|
|
|
monitor_remove_blk(blk);
|
|
blk_unref(blk);
|
|
}
|
|
|
|
static void test_secondary_read(void)
|
|
{
|
|
BlockBackend *blk;
|
|
|
|
blk = start_secondary();
|
|
|
|
/* read from 0 to IMG_SIZE */
|
|
test_blk_read(blk, 0, 0, IMG_SIZE, 0, IMG_SIZE, true);
|
|
|
|
teardown_secondary();
|
|
}
|
|
|
|
static void test_secondary_write(void)
|
|
{
|
|
BlockBackend *blk;
|
|
|
|
blk = start_secondary();
|
|
|
|
/* write from 0 to IMG_SIZE */
|
|
test_blk_write(blk, 0, 0, IMG_SIZE, true);
|
|
|
|
teardown_secondary();
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
static void test_secondary_start(void)
|
|
{
|
|
BlockBackend *top_blk, *local_blk;
|
|
bool failover = true;
|
|
|
|
top_blk = start_secondary();
|
|
replication_start_all(REPLICATION_MODE_SECONDARY, &error_abort);
|
|
|
|
/* read from s_local_disk (0, IMG_SIZE) */
|
|
test_blk_read(top_blk, 0x11, 0, IMG_SIZE, 0, IMG_SIZE, false);
|
|
|
|
/* write 0x22 to s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
|
|
local_blk = blk_by_name(S_LOCAL_DISK_ID);
|
|
test_blk_write(local_blk, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, false);
|
|
|
|
/* replication will backup s_local_disk to s_hidden_disk */
|
|
test_blk_read(top_blk, 0x11, IMG_SIZE / 2,
|
|
IMG_SIZE / 2, 0, IMG_SIZE, false);
|
|
|
|
/* write 0x33 to s_active_disk (0, IMG_SIZE / 2) */
|
|
test_blk_write(top_blk, 0x33, 0, IMG_SIZE / 2, false);
|
|
|
|
/* read from s_active_disk (0, IMG_SIZE/2) */
|
|
test_blk_read(top_blk, 0x33, 0, IMG_SIZE / 2,
|
|
0, IMG_SIZE / 2, false);
|
|
|
|
/* unblock top_bs */
|
|
replication_stop_all(failover, &error_abort);
|
|
|
|
teardown_secondary();
|
|
}
|
|
|
|
|
|
static void test_secondary_stop(void)
|
|
{
|
|
BlockBackend *top_blk, *local_blk;
|
|
bool failover = true;
|
|
|
|
top_blk = start_secondary();
|
|
replication_start_all(REPLICATION_MODE_SECONDARY, &error_abort);
|
|
|
|
/* write 0x22 to s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
|
|
local_blk = blk_by_name(S_LOCAL_DISK_ID);
|
|
test_blk_write(local_blk, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, false);
|
|
|
|
/* replication will backup s_local_disk to s_hidden_disk */
|
|
test_blk_read(top_blk, 0x11, IMG_SIZE / 2,
|
|
IMG_SIZE / 2, 0, IMG_SIZE, false);
|
|
|
|
/* write 0x33 to s_active_disk (0, IMG_SIZE / 2) */
|
|
test_blk_write(top_blk, 0x33, 0, IMG_SIZE / 2, false);
|
|
|
|
/* do active commit */
|
|
replication_stop_all(failover, &error_abort);
|
|
|
|
/* read from s_local_disk (0, IMG_SIZE / 2) */
|
|
test_blk_read(top_blk, 0x33, 0, IMG_SIZE / 2,
|
|
0, IMG_SIZE / 2, false);
|
|
|
|
|
|
/* read from s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
|
|
test_blk_read(top_blk, 0x22, IMG_SIZE / 2,
|
|
IMG_SIZE / 2, 0, IMG_SIZE, false);
|
|
|
|
teardown_secondary();
|
|
}
|
|
|
|
static void test_secondary_continuous_replication(void)
|
|
{
|
|
BlockBackend *top_blk, *local_blk;
|
|
|
|
top_blk = start_secondary();
|
|
replication_start_all(REPLICATION_MODE_SECONDARY, &error_abort);
|
|
|
|
/* write 0x22 to s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
|
|
local_blk = blk_by_name(S_LOCAL_DISK_ID);
|
|
test_blk_write(local_blk, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, false);
|
|
|
|
/* replication will backup s_local_disk to s_hidden_disk */
|
|
test_blk_read(top_blk, 0x11, IMG_SIZE / 2,
|
|
IMG_SIZE / 2, 0, IMG_SIZE, false);
|
|
|
|
/* write 0x33 to s_active_disk (0, IMG_SIZE / 2) */
|
|
test_blk_write(top_blk, 0x33, 0, IMG_SIZE / 2, false);
|
|
|
|
/* do failover (active commit) */
|
|
replication_stop_all(true, &error_abort);
|
|
|
|
/* it should ignore all requests from now on */
|
|
|
|
/* start after failover */
|
|
replication_start_all(REPLICATION_MODE_PRIMARY, &error_abort);
|
|
|
|
/* checkpoint */
|
|
replication_do_checkpoint_all(&error_abort);
|
|
|
|
/* stop */
|
|
replication_stop_all(true, &error_abort);
|
|
|
|
/* read from s_local_disk (0, IMG_SIZE / 2) */
|
|
test_blk_read(top_blk, 0x33, 0, IMG_SIZE / 2,
|
|
0, IMG_SIZE / 2, false);
|
|
|
|
|
|
/* read from s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
|
|
test_blk_read(top_blk, 0x22, IMG_SIZE / 2,
|
|
IMG_SIZE / 2, 0, IMG_SIZE, false);
|
|
|
|
teardown_secondary();
|
|
}
|
|
|
|
static void test_secondary_do_checkpoint(void)
|
|
{
|
|
BlockBackend *top_blk, *local_blk;
|
|
bool failover = true;
|
|
|
|
top_blk = start_secondary();
|
|
replication_start_all(REPLICATION_MODE_SECONDARY, &error_abort);
|
|
|
|
/* write 0x22 to s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
|
|
local_blk = blk_by_name(S_LOCAL_DISK_ID);
|
|
test_blk_write(local_blk, 0x22, IMG_SIZE / 2,
|
|
IMG_SIZE / 2, false);
|
|
|
|
/* replication will backup s_local_disk to s_hidden_disk */
|
|
test_blk_read(top_blk, 0x11, IMG_SIZE / 2,
|
|
IMG_SIZE / 2, 0, IMG_SIZE, false);
|
|
|
|
replication_do_checkpoint_all(&error_abort);
|
|
|
|
/* after checkpoint, read pattern 0x22 from s_local_disk */
|
|
test_blk_read(top_blk, 0x22, IMG_SIZE / 2,
|
|
IMG_SIZE / 2, 0, IMG_SIZE, false);
|
|
|
|
/* unblock top_bs */
|
|
replication_stop_all(failover, &error_abort);
|
|
|
|
teardown_secondary();
|
|
}
|
|
|
|
static void test_secondary_get_error_all(void)
|
|
{
|
|
bool failover = true;
|
|
|
|
start_secondary();
|
|
replication_start_all(REPLICATION_MODE_SECONDARY, &error_abort);
|
|
|
|
replication_get_error_all(&error_abort);
|
|
|
|
/* unblock top_bs */
|
|
replication_stop_all(failover, &error_abort);
|
|
|
|
teardown_secondary();
|
|
}
|
|
#endif
|
|
|
|
static void sigabrt_handler(int signo)
|
|
{
|
|
cleanup_imgs();
|
|
}
|
|
|
|
static void setup_sigabrt_handler(void)
|
|
{
|
|
#ifdef _WIN32
|
|
signal(SIGABRT, sigabrt_handler);
|
|
#else
|
|
struct sigaction sigact;
|
|
|
|
sigact = (struct sigaction) {
|
|
.sa_handler = sigabrt_handler,
|
|
.sa_flags = SA_RESETHAND,
|
|
};
|
|
sigemptyset(&sigact.sa_mask);
|
|
sigaction(SIGABRT, &sigact, NULL);
|
|
#endif
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int ret;
|
|
const char *tmpdir = g_get_tmp_dir();
|
|
p_local_disk = g_strdup_printf("%s/p_local_disk.XXXXXX", tmpdir);
|
|
s_local_disk = g_strdup_printf("%s/s_local_disk.XXXXXX", tmpdir);
|
|
s_active_disk = g_strdup_printf("%s/s_active_disk.XXXXXX", tmpdir);
|
|
s_hidden_disk = g_strdup_printf("%s/s_hidden_disk.XXXXXX", tmpdir);
|
|
qemu_init_main_loop(&error_fatal);
|
|
bdrv_init();
|
|
|
|
g_test_init(&argc, &argv, NULL);
|
|
setup_sigabrt_handler();
|
|
|
|
prepare_imgs();
|
|
|
|
/* Primary */
|
|
g_test_add_func("/replication/primary/read", test_primary_read);
|
|
g_test_add_func("/replication/primary/write", test_primary_write);
|
|
g_test_add_func("/replication/primary/start", test_primary_start);
|
|
g_test_add_func("/replication/primary/stop", test_primary_stop);
|
|
g_test_add_func("/replication/primary/do_checkpoint",
|
|
test_primary_do_checkpoint);
|
|
g_test_add_func("/replication/primary/get_error_all",
|
|
test_primary_get_error_all);
|
|
|
|
/* Secondary */
|
|
g_test_add_func("/replication/secondary/read", test_secondary_read);
|
|
g_test_add_func("/replication/secondary/write", test_secondary_write);
|
|
#ifndef _WIN32
|
|
g_test_add_func("/replication/secondary/start", test_secondary_start);
|
|
g_test_add_func("/replication/secondary/stop", test_secondary_stop);
|
|
g_test_add_func("/replication/secondary/continuous_replication",
|
|
test_secondary_continuous_replication);
|
|
g_test_add_func("/replication/secondary/do_checkpoint",
|
|
test_secondary_do_checkpoint);
|
|
g_test_add_func("/replication/secondary/get_error_all",
|
|
test_secondary_get_error_all);
|
|
#endif
|
|
|
|
ret = g_test_run();
|
|
|
|
cleanup_imgs();
|
|
|
|
g_free(p_local_disk);
|
|
g_free(s_local_disk);
|
|
g_free(s_active_disk);
|
|
g_free(s_hidden_disk);
|
|
|
|
return ret;
|
|
}
|